Abstract

GRILLI, Pablo  and  BERKUNSKY, Igor. CONTRIBUTIONS TO KNOWLEDGE OF BIRDS ASSOCIATED WITH BAMBOO FORESTS OF THE PE-RUVIAN AMAZON. Hornero [online]. 2021, vol.36, n.2, pp.95-105. ISSN 0073-3407.

Bamboo forests are an important microhabitat for Neotropic birds. In the Amazon, the study of these communities began in the 1980s. However, only general aspects of the association of birds to bamboo forests were found, and a response to how an almost monospecific floristic environment can sustain numerous species of birds remains unknown. In this work, we provide Information about the natural history of the main bird species of the bamboo forest in the southeastern Peruvian Amazon. Between 2004 and 2011, we conducted fieldwork in the bamboo forest dominated by Guadua sarcocarpa, locally known as Pacal, combining censuses from points and mist-netting. We characterized feeding habits, and foraging and nesting strategies of 28 bird species considered indicators of bamboo. Most of the indicator species (86%) were insectivorous, three omnivo-rous, and one nectarivorous. “Pacal” insectivorous indicator bird species use space differently, allowing a large number of species to coexist in a monospecific vegetation structure. All bird species nested in the understory, and most species built open nests, indicating that the bamboo is offering good nest protection. Two bird species are globally threatened. Three bamboo bird species were described from previous species, and one has been discovered less than 15 years ago, showing that the birds of bamboo are only just beginning to be known.

Keywords : Camisea; Guadua; indicator species; natural history; pacal; specialists.

        · abstract in Spanish     · text in Spanish     · Spanish ( pdf )